Pipe-molding apparatus



(No Model.) 3 Sheets-Sheet 1 P. SHIOKLE.

PIPE MOLDING APPARATUS.

No. 261,961. Patented Aug. 1, 1882.

N. PEILERS 'Phm-umu n han Wuhingtcn. D. C.

(No Model.) 3 SheetsSheet 2. P; SHIOKLE.

PIPE MOLDING APPARATUS.

No. 261.961. Patented Aug. "1, 1882.

N. PHERS Pfwh-Lkhnmpmr. wammm 0.1:.

UNITED STATES PATENT OFFICE.

FREDERICK SHIOKLE, OF ST. LOUIS, MISSOURI.

PIPE-MOLDING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 261,961, dated August1, 1882.

Application filed March 30, 1882. (No model.)

To all whom it may concern Be it known that I, FREDERICK SHIcKLE, of St.Louis, Missouri, have made a new and useful Improvement in Apparatus forMolding Pipes and other Long Heavy Castings, of which the following is afull, clear, and exact description,reference beinghad to the annexeddrawings, making part of this specification, in which- Figure 1 is aplan of the improvement; Fig. 2,a horizontal section taken on the line22 of Fig. 3; Fig. 3, a vertical section taken on the line 3 3 of Fig. 1;Fig. 4, a vertical section of the upper portion of the flask, taken onthe line 4 4 of Fig. 1; Fig. 5, a vertical section taken on the line 5 5of Fig. 6, and Fig. 6 a horizontal section taken on the line 6 6 of Fig.5.

The same letters denote the same. parts.

The present invention is an improved flask for casting several pipes orother long heavy castings at a single casting operation.

The improved flask consists mainly of four parts-a central one that isattached to the pit-wall and shaped to form a cluster of drags, and theother three parts being hinged to the central one and forming the copesto the drags of the central part.

A represents an approved form of the flask under consideration, havingthe central part, a, and the three outer parts,'aa. 0. The central part,a, is furnished with suitable brackets-such as ou -for attaching theflask to the pit-wall, and the parts a a a are hinged to the centralpart, a, at a a, and a", respectively, and when closed against thecentral part are fastened thereto at a, a and or respectively. Threepairs, B B, B B, and B B of,

molding-compartments are thus associated in a cluster, the central part,a, containing the drags b b b b b b, and the outer parts, a. a (1. thecopes b b b b b b of the compartments.

The pit-wall is not shown, its construction being of the usual kind, it,as well as the details of the flask, being mainly as shown in patentspreviously granted me--for instance, in Patent No. 209,139.

The flask-bottom 0 is preferably in a single piece, and it may bepermanently connected with the central part, a, and when the outerparts, a a M, are opened away from the part a, the bottom, in such case,will project. laterally from the central part, a.

D D represent the bead-rings, being made, as in patents heretoforegranted me, in two or more sections, d, to enable it to be detached fromthe casting.

The center,'a of the part a is preferably made hollow to lighten theconstruction. The top a, however, may be closed, as shown, to form afloor to support acentral basin,E, into I which, in casting the pipes,the metal is poured,

and thence, through the runners e c e e e 6, distributed in the severalmolds.

Although but six molding-compartments are shown in the drawings, it isevident that a flask constructed upon the present plan can have morethan six compartments; but in all cases a central space, 0, should beprovided for receiving the gases from the drags, for the present flaskinvolves the use of sand or clay, and the gases therefrom in castingcould not pass off unless a space such as O in the interior of the parta, were formed, the gases issuing from the drags b I) through theperforations 0 0 0 and passing into the space 0, and thence to the outerair.

The flask has the usual fastenings, F.

G G represent the patterns.

I claim- 1. The combination of the part at, having the top a, the partsa a a and the bottom 0, substantially as described. t

2. The part a, having the top a, for the purpose of supporting the basinE, substantially as described.

3. The combination, in a flask where sand or clay is used, of the part'a, the parts a. a. a and the bottom 0, said part at having between thedrags therein a space or spaces for venting the gases from the drags,substantially as described.

4. The combination, in a flask for molding Witness my hand this 27th dayor March, 882.

FREDERICK SHIGKLE.

Witnesses G. D. MOODY, SAML- S. BoYD.

